storehouse vs repository

storehouse and repository both are nouns.

Word	Noun	Adjective	Verb	Adverb
storehouse	Yes	No	No	No
repository	Yes	No	No	No

As nouns, repository is a hypernym of storehouse; that is, repository is a word with a broader meaning than storehouse:

storehouse: a depository for goods
repository: a facility where things can be deposited for storage or safekeeping

Other hypernyms of storehouse include deposit, depositary, depository.

storehouse (noun)	repository (noun)
a depository for goods	a facility where things can be deposited for storage or safekeeping
	a burial vault (usually for some famous person)
	a person to whom a secret is entrusted